Update issue templates

.github/ISSUE_TEMPLATE/---bug.md

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+---
+name: 报告 bug
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+<!-- 
+如果这是您第一次在GitHub上发 issue，请阅读【提问的智慧】：https://github.com/ryanhanwu/How-To-Ask-Questions-The-Smart-Way/blob/master/README-zh_CN.md 
+-->
+
+**描述问题**
+
+**bug 重现步骤**
+
+**截图（如有）**
+
+**系统信息**
+ - （前端）操作系统: [e.g. Windows 10, Android 9.0]
+ - 浏览器: [e.g. chrome, safari]
+ - PHP 版本
+- WordPress 版本
+- Sakura 主题版本
+
+
+**其他**

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.